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Finding the Fourth Proportional to 133,294.56, 199,942.08 and 39,792.96

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Solution

The fourth proportional to 133,294.56, 199,942.08 and 39,792.96 is: 59,689.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,294.56 : 199,942.08 = 39,792.96 : x
  2. Step 2: Convert to fraction form
    133,294.56/199,942.08 = 39,792.96/x
  3. Step 3: Cross multiply
    133,294.56x = 199,942.08 × 39,792.96
  4. Step 4: Simplify right side
    133,294.56x = 7,956,287,191.76
  5. Step 5: Solve for x
    x = 7,956,287,191.76/133,294.56
  6. Step 6: Final answer
    x = 59,689.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.